F-ber 1Pcs Optical Glass RGB Dispersion Prism X-Cube for Physics Teach Decoration Art 15x15x15mm/0.59'' x 0.59'' x 0.59"

描述

F-ber 1Pcs Optical Glass RGB Dispersion Prism X-Cube for Physics Teach Decoration Art 15x15x15mm/0.59'' x 0.59'' x 0.59"